package com.briup.pai.common.utils;

import org.jetbrains.annotations.NotNull;
import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;

/**
 * 使用ApplicationContext动态获取bean对象
 */

@Component
public class SpringContextUtil implements ApplicationContextAware {

    private static ApplicationContext applicationContext;

    @Override
    public void setApplicationContext(@NotNull ApplicationContext applicationContext) throws BeansException {
        SpringContextUtil.applicationContext = applicationContext;
    }

    /**
     * 根据bean的class获取对象
     * @param clazz
     * @return
     */
    public static  <T> T getBean(Class<T> clazz) {
        return applicationContext.getBean(clazz);
    }
}